Home / 63,210.57-87,247.35-39,323.67

Finding the Fourth Proportional to 63,210.57, 87,247.35 and 39,323.67

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Solution

The fourth proportional to 63,210.57, 87,247.35 and 39,323.67 is: 54,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,210.57 : 87,247.35 = 39,323.67 : x
  2. Step 2: Convert to fraction form
    63,210.57/87,247.35 = 39,323.67/x
  3. Step 3: Cross multiply
    63,210.57x = 87,247.35 × 39,323.67
  4. Step 4: Simplify right side
    63,210.57x = 3,430,885,999.77
  5. Step 5: Solve for x
    x = 3,430,885,999.77/63,210.57
  6. Step 6: Final answer
    x = 54,277.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.